ProcurementThe China 25 MPalve Stem Packing Factory specializes in manufacturing premium braided packing composed of 99% high-purity expanded graphite, reinforced with carbon fiber yarn at the corners for enhanced strength. Engineered for demanding industrial environments, this packing provides exceptional chemical resistance and thermal stability. ailable in sizes from 6.5 to 50 (1/4 inch to 2 inches), it is capable of withstanding pressures up to 250 bar, making it ideal for high-pressure valve applications.